I agree with all of those comments but would suggest that another issue is
whether
you want to use an application server from a commercial licensee of J2EE
technology.
Sun maintain a list of vendors who license J2EE and the associated test
suites
to ensure their products fully comply with the specification:
http://java.sun.com/j2ee/licensees.html
flashline.com provide a good matrix of application servers (including
prices!)
www.flashline.com/components/appservermatrix.jsp
A list of servers with user reviews is available at:
http://theserverside.com/reviews/index.jsp
<vendor>
Also, there is not always a clear line between commercial vendors and
very-low-cost
vendors, Orbware being one of the exceptions. See http://www.orbware.com
</vendor>
Hope that helps.
---
Andy Grove
Chief Technology Officer
Orbware Ltd.
Phone: +44 (0) 1932 831124
Mobile: +44 (0) 7931 390085
Fax: +44 (0) 8700 548111
Email: [EMAIL PROTECTED]
Web: http://www.orbware.com
** OrCAS EJB Server now available from http://www.orbware.com **
-----Original Message-----
From: Humphrey Sheil <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: 10 July 2000 11:10
Subject: Re: J2EE - Server
>In vendor selection, you have two groups to consider, commercial, well
>established vendors and open source / very low cost (OS / VLC) vendors.
The
>pros / cons between these two are fairly clear cut:
>
>Commercial Pros
>
>Good support
>Higher standard of documentation (generally)
>Good market penetration (so hiring experienced developers etc. is easier)
>You can be sure they'll be around next year to answer your questions
>Some vendors who are on the expert groups at Javasoft, obviously use this
>knowledge to make sure they protect their interests (and by extension
yours)
>as the new specs. unfold by either supporting them in released products or
>getting beta versions roadtested early
>
>
>Commercial Cons
>
>High initial cost of ownership (over time however, this should lessen)
>Some commercial vendors are slow to support the new specs. as they are
>released (in contrast to the pro listed above)
>Some commercials have been around a while and thus are not 100% Java
>(usually having C++ components), each vendor should make this clear in the
>docs however.
>
>OS / VLC Pros
>
>Low / zero initial cost of ownership
>Small and nimble enough to turn on a penny when it comes to spec.
conformity
>and new features
>All (AFAIK) are 100% Java
>
>OS / VLC Cons
>
>Documentation can be poor compared to commercial
>It's harder to find developers who know the server
>Support is not clear cut and must be considered a risk, particularly if you
>are consulting and will be handing the finished software off to a client
>(who may not have a strong skillset in-house).
>
>
>In order to avoid missing any one vendor out, here's a pretty complete list
>of links for app. servers with follow-on links etc.:
>http://www.mgm-edv.de/ejbsig/ejbservers.html
>
>
>My own personal opinion is that I'd still spec. a commercial vendor for at
>least the next 6 - 12 months, but I play around with servers like Orion and
>jBoss in the meantime and lurk on the lists to see how stable they are
(;-))
>
>Humphrey
>
>
>
>
>
>
>-----Original Message-----
>From: Wolfgang Egger [mailto:[EMAIL PROTECTED]]
>Sent: 10 July 2000 10:08
>To: [EMAIL PROTECTED]
>Subject: J2EE - Server
>
>
>Servus,
>
>we are going to start developing a B2B - "portal" and we have decided to
use
>J2EE - EJB - technology.
>
>Now, besides our concrete design, we are thinking about what server we
>should use. The server shoul dmake it possible to develop 100% pure Java -
>"apps" and to do that in an as standardized way as possible, so that we can
>change the server without too much trouble if needed.
>
>Has anyone any hints URLs and so on, that could help us to take the
>decission?
>
>Thanks in advance
>
> Wolfgang Egger
>
>--
>Synemedia Productions
>Hildegardstr. 28 | 10715 Berlin, Germany | Tel: +49(0)30-862 23 80
>mail: [EMAIL PROTECTED] | www: http://www.synemedia.de
>
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